{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896338,-0.443371,0.000000,0.000000,0.283794,-0.573730,0.768306,0.000000,-0.339705,0.686762,0.642618,0.000000,-2169686.091921,4386331.119316,4076907.505882,1],    "boundingVolume": {    "region": [2.030086,0.697851,2.030219,0.697970,0.000000,49.655558]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/3_537473.b3dm"}}}